Here is the full list of all 45 Yakuza 3 trophies - there are 36 bronze, 5 silver, 3 gold and 1 platinum.
Earn all other trophies in the game.
Beat the game on Extra Hard.
Play all rounds in Ultimate Skill mode after beating the game.
Claim victory in all Coliseum tournaments.
Get a break ace in Nine-Ball pool.
Remove 30 pieces of garbage from Sunshine beach.
Complete all minigames.
Complete all substories.
Run 42.195km.
Beat the game.
Accumulate 10,000,000 yen.
Defeat Mine in Chapter 12.
Apprehend all hitmen.
Open all the lockers in the top row in both Kamurocho and Downtown Ryukyu.
Order the most expensive item(s) in all restaurants.
Defeat Fuma in Chapter 10.
Earn a combined total of 10,000 points in cee-lo, cho-han, koi-koi and oicho-kabu.
Complete 80 substories.
Encounter all the masters.
Defeat Lau Ka Long in Chapter 8.
Defeat Majima again in Chapter 7.
Complete trophy conditions for the games in the arcade. Get 10 stuffed animals in UFO Catcher, and get a high score in the shooting game.
Earn a combined total of 10,000 points in poker, roulette and blackjack.
Sing all songs at karaoke.
Get a turkey while bowling.
Defeat Kanda in Chapter 6.
Complete 50 substories.
Knock over 100 people.
Hit 2 panels with one ball in the Hard game at the batting cage.
Complete 30 substories.
Defeat man in black suit in Chapter 5.
Defeat Hasebe in Chapter 4.
Break 100 weapons picked up in battles.
Have your first Revelation.
Finish 50 battles with HEAT actions.
Hit a 350 yard drive in Competition Mode in golf.
Catch a tuna.
Make a mod weapon.
Complete 10 substories.
Remove 5 pieces of garbage from Sunshine beach.
Initiate 10 battles by using first-person mode.
Get a hat trick in darts.
Defeat Tamashiro in Chapter 3.
Defeat Rikiya in Chapter 2.
Defeat Majima in Chapter 1.